Approved by the China Household Electrical Appliances Association, two CHEAA standards T/CHEAA 0032-2024 The technical requirements of copper tube for hermetic motor-compressors for refrigerators, T/CHEAA 0033-2024 Two-dimensional bar code rules for nameplate of hermetic motor-compressors for refrigerators, were officially released on June 5, 2024 and have taken effect.